/**
 * #      1604
 * 名称   警告一小时内使用相同员工卡大于等于三次的人
 * 链接   https://leetcode-cn.com/problems/alert-using-same-key-card-three-or-more-times-in-a-one-hour-period
 * 题解   [48](https://leetcode-cn.com/problems/alert-using-same-key-card-three-or-more-times-in-a-one-hour-period/solution)
 * 通过率 41.2%
 * 难道   中等
 */

